Pipe expanding machine

Abstract

The utility model discloses a pipe flaring machine, which belongs to the technical field of pipe processing and comprises a base, a case and a placing mechanism are mounted at the top of the base, the case is fixedly mounted on the base, an equipment box is fixedly connected onto the inner wall of the case, a core rod mechanism for flaring is mounted in the equipment box, and a connecting plate is arranged at the opening of the equipment box. A circular hole is formed in the connecting plate, an annular airbag is mounted on the inner wall of the circular hole, a first air pipe is mounted on the outer side wall of the connecting plate, an air pump is mounted at the outer top of the case, one end of the first air pipe is communicated with the annular airbag, and the other end of the first air pipe sequentially penetrates through the equipment box and the case to be communicated with the air pump; the placing mechanism comprises a supporting base, a sliding rail is arranged on the top face of the machine base, and the supporting base is slidably installed on the sliding rail. The flaring machine solves the problems that in the prior art, a flaring machine cannot effectively clamp and fix a pipe, the pipe is prone to deviation, and the flaring effect is affected, operation is easy and convenient, and practicability is high.

Description

Technical Field

[0001] The utility model relates to the technical field of pipe processing, in particular to a pipe expanding machine. Background Art

[0002] Pipes are widely used in our daily life. When multiple pipes need to be connected, the pipe openings must be enlarged to ensure a firm connection.

[0003] The existing expansion mechanism mainly inserts the expansion mandrel into the inside of the pipe to be expanded, pushes out the metal cylinder, and completes the expansion work by expanding and contracting the slider. However, when using the above expansion mechanism, the pipe cannot be effectively clamped and fixed, resulting in the pipe being easily deviated, affecting the expansion effect. Utility Model Content

[0004] The utility model aims to provide a pipe expanding machine to solve the problem that the expanding machine in the prior art cannot effectively clamp and fix the pipe, which causes the pipe to easily deviate and affects the expanding effect.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a pipe expanding machine, comprising a machine base, a chassis and a placement mechanism installed on the top of the machine base, the chassis is fixedly installed on the machine base, the box opening of the chassis is opposite to the placement mechanism, an equipment box is fixedly connected to the inner wall of the chassis, a mandrel mechanism for expanding is installed in the equipment box, a connecting plate is provided at the box opening of the equipment box, a circular hole is opened on the connecting plate, an annular air bag is installed on the inner wall of the circular hole, a first air pipe is installed on the outer wall of the connecting plate, an air pump is installed on the top outside of the chassis, one end of the first air pipe is connected to the annular air bag, and the other end of the first air pipe passes through the equipment box, the chassis and the air pump in sequence; the placement mechanism comprises a support seat, a slide rail is provided on the top surface of the machine base, and the support seat is slidably installed on the slide rail.

[0006] As the preferred technical solution of the utility model: air supply plates are respectively installed on the inner walls on the left and right sides of the equipment box, a number of air holes are evenly spaced on the plate surface of the air supply plates, the air supply plates are connected to a second air pipe, the end of the second air pipe passes through the equipment box and is connected to a rectangular frame, the rectangular frame is hollow in design, the second air pipe is connected to the rectangular frame, and a third air pipe is connected between the rectangular frame and the air pump.

[0007] As a preferred technical solution of the utility model: an electric telescopic rod is installed on the base near the chassis, and the end of the electric telescopic rod is connected to the support base.

[0008] As a preferred technical solution of the utility model: an arc groove is provided on the support seat.

[0009] By adopting the above technical scheme, the beneficial effects of the utility model are as follows: the utility model has a simple structure and ingenious design. An annular airbag is arranged at the position of the core rod mechanism near the expansion mouth, and the annular airbag is inflated to clamp and fix the pipe, thereby ensuring the expansion stability of the pipe and avoiding the problem of damage to the pipe due to extrusion. At the same time, the air supply plate is used to blow air to the pipe, which effectively blows away dust and impurities on the pipe, thereby ensuring the processing accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 This is a schematic diagram of the main structure of a pipe expanding machine of the utility model;

[0011] Figure 2 It is a schematic diagram of the structure inside the chassis of the utility model.

[0012] In the figure: 1. base; 2. chassis; 3. equipment box; 4. connecting plate; 5. annular air bag; 6. air pump; 7. air supply plate; 8. rectangular frame; 9. support base; 10. electric telescopic rod; 11. slide rail. DETAILED DESCRIPTION

[0013] The embodiments of the utility model are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the utility model, and cannot be understood as limiting the utility model. In the description of the utility model, it should be understood that the orientation or position relationship indicated by the terms "upper", "lower", "front", "upper surface", etc. is based on the orientation or position relationship shown in the accompanying drawings, which is only for the convenience of describing the utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the utility model. In the utility model, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral body; it can be a mechanical connection, an electrical connection, or can communicate with each other; it can be directly connected, or indirectly connected through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For those skilled in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0014] See also Figure 1-2 The utility model provides an embodiment: a pipe expanding machine, including a machine base 1, a chassis 2 and a placement mechanism are installed on the top of the machine base 1, the chassis 2 is fixedly installed on the machine base 1, and the box opening of the chassis 2 is opposite to the placement mechanism.

[0015] The inner wall of the chassis 2 is fixedly connected with an equipment box 3, a mandrel mechanism for expanding the opening is installed in the equipment box 3, a connecting plate 4 is provided at the box opening of the equipment box 3, a circular hole is opened on the connecting plate 4, an annular airbag 5 is installed on the inner wall of the circular hole, a first air pipe is installed on the outer wall of the connecting plate 4, an air pump 6 is installed on the top of the chassis 2, one end of the first air pipe is connected with the annular airbag 5, and the other end of the first air pipe passes through the equipment box 3, the chassis 2 and is connected with the air pump 6. The air pump 6 inflates the annular airbag 5 through the first air pipe, thereby achieving the clamping and fixing effect of the tube.

[0016] Air supply plates 7 are installed on the inner walls on the left and right sides of the equipment box 3, respectively. A number of air holes are evenly opened on the plate surface of the air supply plate 7 at equal intervals. The air supply plate 7 is connected to a second air pipe. The end of the second air pipe passes through the equipment box 3 and is connected to a rectangular frame 8. The rectangular frame 8 is hollow in design. The second air pipe is connected to the rectangular frame 8. A third air pipe is connected between the rectangular frame 8 and the air pump 6. The airflow generated in the air pump 6 is transported to the air supply plate 7 through the third air pipe and the second air pipe, and finally blown to the pipe to blow away dust and impurities on the pipe.

[0017] The placement mechanism includes a support seat 9, on which an arc groove is provided, which is convenient for placing the pipe. A slide rail 11 is provided on the top surface of the base 1, on which the support seat 9 is slidably mounted, and an electric telescopic rod 10 is installed on the base 1 near the chassis 2, and the end of the electric telescopic rod 10 is connected to the support seat 9.

[0018] Specific implementation method: When expanding the pipe, first place the pipe in the arc groove on the support seat 9, and use the electric telescopic rod 10 to control the support seat 9 to drive the pipe to move toward the chassis 2 until the end of the pipe to be expanded enters the equipment box 3.

[0019] The air pump 6 inflates the annular airbag 5 through the first air pipe, and the annular airbag 5 achieves the clamping and fixing effect on the pipe. At the same time, the airflow in the air pump 6 passes through the second air pipe and the third air pipe, and is finally blown to the pipe through the air supply plate 7, blowing away the impurities and dust on the pipe to ensure the accuracy of the processing. After the processing is completed, the gas in the annular airbag 5 is released, and the entire flaring operation is completed, which is simple, convenient and practical.

[0020] The above is a detailed description of the embodiments of the present invention in conjunction with the accompanying drawings, but the present invention is not limited to the described embodiments. For those skilled in the art, various changes, modifications, substitutions and variations of these embodiments are made without departing from the principles and spirit of the present invention, and still fall within the scope of protection of the present invention.

Claims

1. A pipe expanding machine, comprising a machine base (1), characterized in that: A machine case (2) and a placement mechanism are installed on the top of the machine base (1). The machine case (2) is fixedly installed on the machine base (1). The box opening of the machine case (2) is opposite to the placement mechanism. An equipment box (3) is fixedly connected to the inner wall of the machine case (2). A mandrel mechanism for expanding the opening is installed in the equipment box (3). A connecting plate (4) is provided at the box opening of the equipment box (3). A circular hole is opened on the connecting plate (4). An annular air bag (5) is installed on the inner wall of the circular hole. A first air pipe is installed on the outer wall of the connecting plate (4). An air pump (6) is installed on the top of the outer side of the machine case (2). One end of the first air pipe is connected to the annular air bag (5). The other end of the first air pipe passes through the equipment box (3), the machine case (2) and the air pump (6) in sequence. The placement mechanism comprises a support seat (9). A slide rail (11) is provided on the top surface of the machine base (1). The support seat (9) is slidably installed on the slide rail (11).

2. A pipe expanding machine according to claim 1, characterized in that: Air supply plates (7) are respectively installed on the inner walls on the left and right sides of the equipment box (3), and a plurality of air holes are evenly spaced on the plate surface of the air supply plates (7). The air supply plates (7) are connected to a second air pipe, and the end of the second air pipe passes through the equipment box (3) and is connected to a rectangular frame (8). The rectangular frame (8) is hollow in design, and the second air pipe is connected to the rectangular frame (8). A third air pipe is connected between the rectangular frame (8) and the air pump (6).

3. A pipe expanding machine according to claim 1, characterized in that: An electric telescopic rod (10) is installed on the base (1) at a position close to the chassis (2), and the end of the electric telescopic rod (10) is connected to the support base (9).

4. A pipe expanding machine according to claim 1, characterized in that: The support seat (9) is provided with an arc groove.

Images